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经营范围
发明名称
Railway switch operating apparatus
摘要
申请公布号
US2067974(A)
申请公布日期
1937.01.19
申请号
US19350003626
申请日期
1935.01.26
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
MCWHIRTER WILLIAM C.;LITTLE EDWIN G.
分类号
B61L5/06
主分类号
B61L5/06
代理机构
代理人
主权项
地址
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